CN207748610U - A tension breaking machine - Google Patents

Abstract

The utility model relates to a paper coating processing field, concretely relates to tension blocking machine, which comprises a frame, the frame has set gradually first tension along paper direction of delivery and has detected roller, first tension adjusting roller, second tension adjusting roller and second tension and has detected the roller, can separate the tension of each section process paper effectively, lets the paper web keep the wave more effectively and passes through the oven to the time of letting the paper web dwell in the oven is longer, guarantees simultaneously that the paper is difficult for disconnected paper, improves the production efficiency and the quality of paper.

Description

A tension breaking machine

technical field

The utility model relates to the field of paper coating processing, in particular to a tension breaking machine.

Background technique

During the paper coating process, the existing coating tension control cannot effectively block the tension of each section due to the difference between the dryness and the wetness of the coating, and the coated paper is weakened due to the tensile breaking ability of the paper coated with the coating. , Therefore, different tension control is required to meet the coating requirements of paper when the paper passes to different processing equipment.

Among them, during the drying process of the paper through the air flotation oven, a tension breaker needs to be installed at the paper inlet and the paper outlet of the oven to effectively block the tension of this drying section, so that the paper web in the oven is under a small tension. It can form a wave-shaped paper web under the condition of the paper web, and the paper web stays in the oven for a longer time, which reduces the length of the oven, improves the drying thermal efficiency, and achieves the purpose of saving energy. However, the existing tension breaker is due to the design structure Simple, the tension blocking effect is poor, and the tension of this drying section cannot be effectively blocked, and the effect of the paper web forming a wave in the oven is poor, which reduces the production efficiency and quality of the paper.

Utility model content

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of this utility model is to provide a tension breaker, which can effectively separate the tension of the paper in each section of the process, so that the paper web can more effectively keep the wave shape through the oven, thereby Allow the paper web to stay in the oven for a longer time, improving the production efficiency and quality of the paper.

The purpose of this utility model is achieved through the following technical solutions: a tension breaking machine, including a frame, and the frame is sequentially provided with a first tension detection roller, a first tension adjustment roller, a second tension adjustment roller and a second tension adjustment roller along the paper conveying direction. roller and the second tension detection roller.

Furthermore, a tension detection system is provided below the second tension detection roller; the tension detection system includes a first tension sensor and a PLC control center, and a second tension sensor is provided below the first tension detection roller, The first tension sensor and the second tension sensor are respectively electrically connected to the PLC control center.

Further, both the first tension sensor and the second tension sensor are strain resistance tension sensors.

Furthermore, the frame is also provided with a paper feed guide roller, a paper guide roller and a paper discharge guide roller, the paper feed guide roller is arranged before the paper passes through the first tension detection roller, and the paper discharge guide roller The roller is arranged after the paper passes through the second tension detection roller, and the paper guide roller is arranged between the second tension detection roller and the paper output guide roller.

Furthermore, the frame includes a vertical frame fixed on the bottom surface and a horizontal frame fixed on the vertical frame, and one side of the vertical frame is sequentially provided with the paper feed guide rollers from top to bottom. , the first tension detection roller and the second tension adjustment roller, the other side of the vertical frame is provided with the first tension adjustment roller, the first tension adjustment roller is located above the second tension adjustment roller, the The second tension detection roller, paper guide roller and paper output guide roller are arranged on the horizontal frame.

Furthermore, the outer diameters of the paper feed guide roller, the first tension detection roller, the paper guide roller, the paper output guide roller and the second tension detection roller are all 150±10 mm.

Furthermore, the paper feed guide roller, the first tension detection roller, the paper guide roller, the paper output guide roller and the second tension detection roller are all aluminum alloy rollers.

Furthermore, the frame is also provided with a synchronization device, and the synchronization device connects the first tension adjustment roller and the second tension adjustment roller through a conveyor belt.

Further, the synchronizing device includes a belt tensioner, a first belt transition wheel and a second belt transition wheel, the belt tensioner is movably connected to the horizontal frame, and the first belt transition wheel It is fixedly arranged between the first tension detection roller and the second tension adjustment roller, and the second transmission belt transition wheel is fixedly arranged on the vertical frame.

Furthermore, the outer diameters of the first tension adjustment roller and the second tension adjustment roller are both 400 ± 10mm, and both the first tension adjustment roller and the second tension adjustment roller are polyurethane rubber rollers.

The beneficial effect of the utility model is that: a tension breaking machine provided by the utility model includes a frame, and the frame is sequentially provided with a first tension detection roller, a first tension adjustment roller, a second tension The regulating roller and the second tension detection roller can effectively separate the tension of the paper in each process, so that the paper web can pass through the oven more effectively in a wave shape, so that the paper web stays in the oven for a longer time, and at the same time ensures that the paper is not easy to Paper breakage, improve paper production efficiency and quality.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is a schematic structural view of Embodiment 2 of the utility model.

The reference signs are: 1, frame; 11, vertical frame; 12, horizontal frame; 2, first tension detection roller; 3, first tension adjustment roller; 4, second tension adjustment roller; 5, second Tension detection roller; 51. Tension detection system; 6. Paper feed guide roller; 7. Paper guide roller; 8. Paper output guide roller; 9. Synchronization device; 91. Conveyor belt; 92. Transmission belt tensioner; 93. First Transmission belt transition wheel; 94, the second transmission belt transition wheel.

Detailed ways

For the convenience of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing 1-2, the utility model is further described, and the content mentioned in the embodiment is not the limitation of the utility model. Below in conjunction with accompanying drawing, the utility model is described in detail.

Example 1

As shown in Figure 1, a tension breaking machine is characterized in that it includes a frame 1, and the frame is sequentially provided with a first tension detection roller 2, a first tension adjustment roller 3, and a second tension roller along the paper conveying direction. Regulating the roller 4 and the second tension detection roller 5, A in the figure indicates the paper conveying direction.

The tension breaking machine is placed between the oven and the next process. After the paper passes through the oven, it winds from the first tension detection roller 2 of the tension breaking machine to the first tension adjustment roller 3. The first tension After the adjustment roller 3 is wound half a circle, it is wound from below to above the second tension adjustment roller 4, and after the second tension adjustment roller 4 is wound half a circle, it is wound from below to above the second tension detection roller 5 , and then sent to the next process. During the paper conveying process, a certain pulling force is generated on the paper. When the pulling force is transmitted to the tension breaking machine, the paper passes through the first tension detection roller 2, the first tension adjustment roller 3, and the second tension roller at the same time. Adjusting the roller 4 and the second tension detection roller 5, the second tension detection roller 5 effectively detects the pulling force of the paper conveyed to the next process, and under the rolling friction of the four rollers, the paper conveying has a negative impact on the paper web. Most of the pulling force is offset, so the pulling force transmitted by the paper passing above the first tension detection roller 2 is relatively much smaller, so the paper passing through the oven can still maintain a wavy shape, so that the paper web can maintain a wavy shape more effectively Through the oven, the paper is not easy to break at the same time, and the production efficiency and quality of the paper are improved.

A tension detection system 51 is provided below the second tension detection roller 5; the tension detection system 51 includes a first tension sensor and a PLC control center, and a second tension sensor is provided below the first tension detection roller 2, The first tension sensor and the second tension sensor are respectively electrically connected to the PLC control center. The first tension sensor of the second tension detection roller can effectively detect the tension brought by the next process. The first tension sensor and the second tension sensor can detect the tension of the paper web. When the tension of the paper web changes At the same time, the tension measured by the two tension sensors will be sent to the CPU microprocessor for signal processing, and then sent to the PLC control center, and the correction command issued by the PLC programming will be sent to the two tension sensors, and the two tension sensors will execute the order to maintain the tension of the paper web. Constant, so that the wavy shape of the paper web in the oven remains stable, ensuring the quality of the product.

Both the first tension sensor and the second tension sensor are strain resistance tension sensors. The sensor has the advantages of high detection accuracy, wide detection range, fast response speed, and good linearity. It is used in this embodiment to accurately and reliably detect the tension of the paper tape in operation.

The frame 1 includes a vertical frame 11 fixed on the bottom surface and a horizontal frame 12 fixed on the vertical frame, and one side of the vertical frame 11 is sequentially provided with a first tension detection roller 2 from top to bottom. and the second tension adjustment roller 4, the other side of the vertical frame 11 is provided with the first tension adjustment roller 3, the first tension adjustment roller 3 is located above the second tension adjustment roller 4, the horizontal The frame 12 is provided with the second tension detection roller 5 . The rollers are arranged on the vertical frame 11 and the horizontal frame 12, and under the rolling friction force of the mutual cooperation of these four rollers, the pulling force of the paper web to the paper web can be effectively offset.

The outer diameters of the first tension detection roller 2 and the second tension detection roller 5 are both 150±10 mm. Preferably, the outer diameters of the first tension detection roller 2 and the second tension detection roller 5 are both 150mm.

Both the first tension detection roller 2 and the second tension detection roller 5 are aluminum alloy rollers.

The frame 1 is also provided with a synchronizing device 9 , and the synchronizing device 9 connects the first tension adjusting roller 3 and the second tension adjusting roller 4 through a conveyor belt 91 . It can ensure that the first tension adjustment roller 3 and the second tension adjustment roller 4 rotate synchronously, so that the paper web can pass through the first tension adjustment roller 3 and the second tension adjustment roller 4 smoothly, avoiding the first tension adjustment roller 3 The out-of-synchronization with the second tension regulating roller 4 causes the breakage of the paper web, ensuring smooth production.

The synchronizing device 9 includes a transmission belt tensioner 92, a first transmission belt transition wheel 93 and a second transmission belt transition wheel 94, the transmission belt tensioner 92 is movably connected to the horizontal frame 12, and the first transmission belt The transition wheel 93 is fixedly arranged between the first tension detection roller 2 and the second tension adjustment roller 4 , and the second transmission belt transition wheel 94 is fixedly arranged on the vertical frame 11 . The transmission belt tensioning wheel 92 is used to adjust the tension of the transmission belt, and the first transmission belt transition wheel 93 and the second transmission belt transition wheel 94 are used to adjust the transmission direction of the transmission belt.

The outer diameters of the first tension adjusting roller 3 and the second tension adjusting roller 4 are both 400±10 mm, and both the first tension adjusting roller 3 and the second tension adjusting roller 4 are polyurethane rubber rollers.

In this embodiment, the first tension adjustment roller 3 and the second tension adjustment roller 4 are powered by an 11kw motor, and the synchronization is achieved through the transmission belt tensioner 92, the first transmission belt transition wheel 93 and the second transmission belt transition wheel 94 The effect of belt tensioner 92 plays the effect of tension belt.

Example 2

The difference between this embodiment and embodiment 1 is:

As shown in Figure 2, the frame 1 is also provided with a paper feed guide roller 6, a paper guide roller 7 and a paper discharge guide roller 8, and the paper feed guide roller 6 is arranged when the paper passes through the first tension detection roller 2, the paper discharge guide roller 8 is arranged after the paper passes through the second tension detection roller 5, and the paper guide roller 7 is arranged between the second tension detection roller 5 and the paper discharge guide roller 8 between.

The tension breaking machine is placed between the oven and the next process. After the paper passes through the oven, it goes around half a circle from the paper feed guide roller 6 of the tension breaking machine to the first tension detection roller 2. The tension detection roller 2 winds to the first tension adjustment roller 3, and after the first tension adjustment roller 3 is wound half a turn, it winds from below to the top of the second tension adjustment roller 4, and the second tension adjustment roller 4 is wound half a circle and then wound from below to above the second tension detection roller 5, above the second tension detection roller 5 is wound below the paper guide roller 7, and below the paper guide roller 7 is wound to the above Above the paper-out guide roller 8, then sent to the next process. In this process, the paper feed guide roller 6 is used to guide the paper passing the paper inclination of the first tension detection roller 2, the paper guide roller 7 is used to guide the advance of the paper, and the paper output guide roller 8 Used to guide the joining of paper and the next process.

The frame 1 includes a vertical frame 11 fixed on the bottom surface and a horizontal frame 12 fixed on the vertical frame, and one side of the vertical frame 11 is sequentially provided with the paper feed guide rollers from top to bottom. 6. The first tension detection roller 2 and the second tension adjustment roller 4, the other side of the vertical frame 11 is provided with the first tension adjustment roller 3, and the first tension adjustment roller 3 is located at the second tension adjustment roller. Above the roller 4 , the second tension detection roller 5 , paper guide roller 7 and paper output guide roller 8 are arranged on the horizontal frame 12 .

The outer diameters of the paper feed guide roller 6, the paper guide roller 7 and the paper discharge guide roller 8 are 150 ± 10mm; the preferred outer diameters of the paper feed guide roller 6, the paper guide roller 7 and the paper discharge guide roller 8 Both are 150mm.

The paper feed guide roller 6, paper guide roller 7 and paper output guide roller 8 are all aluminum alloy rollers.

The above-mentioned embodiment is a preferred implementation of the utility model. In addition, the utility model can also be realized in other ways. Any obvious replacement is within the scope of protection of the utility model without departing from the concept of the utility model. Inside.

Claims (10)

1. A tension breaking machine, characterized in that: comprising a frame (1), said frame is successively provided with a first tension detection roller (2), a first tension adjustment roller (3), a first tension adjustment roller (3) along the paper conveying direction Two tension adjustment rollers (4) and a second tension detection roller (5). 2. A tension breaking machine according to claim 1, characterized in that: a tension detection system (51) is arranged below the second tension detection roller (5); the tension detection system (51) includes A first tension sensor and a PLC control center, a second tension sensor is arranged below the first tension detection roller (2), and the first tension sensor and the second tension sensor are electrically connected to the PLC control center respectively . 3 . The tension breaking machine according to claim 2 , characterized in that: the first tension sensor and the second tension sensor are strain resistance tension sensors. 4 . 4. A kind of tension breaking machine according to claim 1, characterized in that: said frame (1) is also provided with a paper feed guide roller (6), a paper guide roller (7) and a paper discharge guide roller ( 8), the paper feeding guide roller (6) is arranged before the paper passes through the first tension detection roller (2), and the paper output guide roller (8) is arranged before the paper passes through the second tension detection roller (5) Afterwards, the paper guide roller (7) is arranged between the second tension detection roller (5) and the paper output guide roller (8). 5. A tension breaking machine according to claim 4, characterized in that: the frame (1) includes a vertical frame (11) fixed to the bottom surface and a horizontal frame fixed to the vertical frame (12), one side of the vertical frame (11) is provided with the paper feeding guide roller (6), the first tension detection roller (2) and the second tension adjustment roller (4) sequentially from top to bottom, The other side of the vertical frame (11) is provided with the first tension adjustment roller (3), the first tension adjustment roller (3) is located above the second tension adjustment roller (4), and the horizontal The frame (12) is provided with the second tension detection roller (5), paper guide roller (7) and paper output guide roller (8). 6. A tension breaking machine according to claim 4, characterized in that: the paper feed guide roller (6), the first tension detection roller (2), the paper guide roller (7), and the paper discharge guide roller (8) and the outer diameter of the second tension detection roller (5) are both 150±10mm. 7. A tension breaking machine according to claim 4, characterized in that: the paper feed guide roller (6), the first tension detection roller (2), the paper guide roller (7), and the paper discharge guide roller (8) and the second tension detection roller (5) are aluminum alloy rollers. 8. A tension breaking machine according to claim 5, characterized in that: the frame (1) is also provided with a synchronizing device (9), and the synchronizing device (9) is connected to the The first tension adjustment roller (3) and the second tension adjustment roller (4). 9. A tension breaking machine according to claim 8, characterized in that: the synchronizing device (9) comprises a belt tensioner (92), a first belt transition wheel (93) and a second belt transition wheel (94), the transmission belt tensioning wheel (92) is movably connected to the horizontal frame (12), and the first transmission belt transition wheel (93) is fixedly arranged on the first tension detection roller (2) Between the second tension adjustment roller (4), the second transmission belt transition wheel (94) is fixedly arranged on the vertical frame (11). 10. A tension breaking machine according to claim 1, characterized in that: the outer diameters of the first tension adjusting roller (3) and the second tension adjusting roller (4) are both 400±10mm, Both the first tension adjusting roller (3) and the second tension adjusting roller (4) are polyurethane rubber rollers.